The National Security Sector within Leidos is seeking a Full Stack Developer with a heavy concentration using React with strong systems software cloud and Agile experience. The qualified candidate will support a complex program providing Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions specifically screening and processing travelers at the ports of entry (POEs) into the United States.
In this hands-on position you will work collaboratively to architect design build deliver and enhance highly available scalable real-time systems. You will exercise your judgment in determining and recommending the best designs based on customer business objectives timelines and other resource constraints. You will participate in and / or direct major deliverable of projects through all aspects of the software development life cycle including scope and work estimation architecture and design coding and unit testing.
Basic Qualifications :
BS / BA degree and 8 years of related experience or Masters with 10 years of related experience; OR 4 years of related experience in lieu of degree
Thorough understanding of React and its core principles
Self-starter with experience with Enterprise level applications and can guide large team
Experience with Agile Scrum methodology and working in a SecDevOps environment
Experience working with containerized applications preferably utilizing Konvoy
3 years experience developing cloud ready applications and / or experience migrating applications to the cloud.
2 years of experience in one of the following : JAVA JSF JavaScript Spring Automated test tools such as Selenium.
Proficient in JAVA JavaScript including DOM manipulation and the JavaScript object model
3 years experience with Microservices / RESTful APIs
Hands on experience with HTML / CSS / SCSS
Hands on experience of modern authorization mechanisms such as JSON Web Token (JWT)
Preferred Qualifications :
Hands on working experience with Redux Store for session management.
Hands on experience with more current specifications of EcmaScript (ES6)
Experience with common front-end development tools such as Babel Webpack NPM Node etc.
A knack for benchmarking and optimization is plus.
AWS Developer or Solutions Architect certifications
Active Full CBP BI
Experience with Google Cloud
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting : December 4 2025
For U.S. Positions : While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range :
Pay Range $104650.00 - $189175.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Key Skills
Account Payable,C++,Community Support,Garment,Import & Export,Java
Employment Type : Full-Time
Experience : years
Vacancy : 1
Monthly Salary Salary : 104650 - 189175
React Developer • Ashburn, Illinois, USA